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All results from a given calculation for BH4 (borohydride)

using model chemistry: TPSSh/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at TPSSh/6-31G
 hartrees
Energy at 0K-27.137694
Energy at 298.15K-27.140390
HF Energy-27.137694
Nuclear repulsion energy10.289639
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2672 2571 48.22      
2 A1 2076 1997 105.34      
3 A1 1274 1225 28.96      
4 A1 838 806 4.99      
5 A2 638 614 0.00      
6 B1 2786 2680 110.87      
7 B1 1092 1050 0.97      
8 B2 1892 1820 3.48      
9 B2 768 739 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7017.0 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 6751.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G
ABC
5.71190 4.40254 3.13138

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.136
H2 0.000 0.589 -1.011
H3 0.000 -0.589 -1.011
H4 -1.057 0.000 0.671
H5 1.057 0.000 0.671

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28961.28961.18511.1851
H21.28961.17732.07282.0728
H31.28961.17732.07282.0728
H41.18512.07282.07282.1144
H51.18512.07282.07282.1144

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 54.317 H2 B1 H4 113.703
H2 B1 H5 113.703 H3 B1 H4 113.703
H3 B1 H5 113.703 H4 B1 H5 126.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.141      
2 H 0.054      
3 H 0.054      
4 H 0.017      
5 H 0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.177 1.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.262 0.000 0.000
y 0.000 1.951 0.000
z 0.000 0.000 3.246


<r2> (average value of r2) Å2
<r2> 11.830
(<r2>)1/2 3.439